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12042730928 = 247913968543
BaseRepresentation
bin10110011011100110…
…10111110110110000
31011002021112010011102
423031303113312300
5144130414342203
65310553303532
7604300344464
oct131563276660
934067463142
1012042730928
11511a897a98
122401104ba8
13119bc763b7
148235824a4
154a73b1888
hex2cdcd7db0

12042730928 has 40 divisors (see below), whose sum is σ = 23798476800. Its totient is φ = 5902288704.

The previous prime is 12042730919. The next prime is 12042730943. The reversal of 12042730928 is 82903724021.

It is a junction number, because it is equal to n+sod(n) for n = 12042730891 and 12042730900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141425 + ... + 209967.

It is an arithmetic number, because the mean of its divisors is an integer number (594961920).

Almost surely, 212042730928 is an apocalyptic number.

It is an amenable number.

12042730928 is a deficient number, since it is larger than the sum of its proper divisors (11755745872).

12042730928 is a wasteful number, since it uses less digits than its factorization.

12042730928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68769 (or 68763 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 12042730928 in words is "twelve billion, forty-two million, seven hundred thirty thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 79 139 158 278 316 556 632 1112 1264 2224 10981 21962 43924 68543 87848 137086 175696 274172 548344 1096688 5414897 9527477 10829794 19054954 21659588 38109908 43319176 76219816 86638352 152439632 752670683 1505341366 3010682732 6021365464 12042730928